Publication: Hyperdeproteinized natural rubber prepared with urea
Issued Date
2004-07-15
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ISSN
00218995
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2-s2.0-2542583190
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Mahidol University
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SCOPUS
Bibliographic Citation
Journal of Applied Polymer Science. Vol.93, No.2 (2004), 555-559
Suggested Citation
Warunee Klinklai, Takayuki Saito, Seiichi Kawahara, Kei Tashiro, Yasuyuki Suzuki, Jitladda Tangpakdee Sakdapipanich, Yoshinobu Isono Hyperdeproteinized natural rubber prepared with urea. Journal of Applied Polymer Science. Vol.93, No.2 (2004), 555-559. doi:10.1002/app.20463 Retrieved from: https://repository.li.mahidol.ac.th/handle/20.500.14594/21275
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Title
Hyperdeproteinized natural rubber prepared with urea
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Abstract
Preparation of hyperdeproteinized natural rubber was made from fresh latex and preserved high-ammonia latex by treatment with urea in the presence of sodium dodecyl sulfate. Concentration of urea, temperature, and time for the incubation were investigated to remove the proteins effectively. Under the best conditions, the total nitrogen content and amount of allergenic proteins for the deproteinized rubbers were 0.005 wt % and 1.0 μg/ml, respectively, which were less than those of natural rubber deproteinized with proteolytic enzyme. The hyper-deproteinized natural rubber was proved through FT IR spectroscopy. © 2004 Wiley Periodicals, Inc.